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ImagickPixel::setHSL
Sets the normalized HSL color
()
bool ImagickPixel::setHSL ( float hue, float saturation, float luminosity )
This function is currently not documented; only the argument list is available.
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
Sets the color described by the ImagickPixel object using normalized values for hue, saturation and luminosity.
Parameters
- hue
The normalized value for hue, described as a fractional arc (between 0 and 1) of the hue circle, where the zero value is red.
- saturation
The normalized value for saturation, with 1 as full saturation.
- luminosity
The normalized value for luminosity, on a scale from black at 0 to white at 1, with the full HS value at 0.5 luminosity.